ADHD is a neurodevelopmental condition which can be diagnosed in childhood. For the majority of people, it will continue into adulthood. It involves specific changes in the brain which can be observed scientifically. For a person to be diagnosed with ADHD, they not only have to have symptoms – problems with attention and/or with being impulsive and hyperactive – they also have to show that their symptoms are having a significantly negative impact on at least two areas of their life such as their: